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<h1>Announcing Grid Engine 6.1 Preview 2 Binaries<br></h1>
Regensburg, Germany -- February 02, 2007
</center>
<p>
Grid Engine 6.1 Preview 2 courtesy binaries are now ready for download.
</p>
<p>
Grid Engine 6.1 will be the next step in the evolution of the Grid Engine
software. This release will help administrators to better manage access to
computational resources in a cluster and continues to improve its excellent
scalability in large clusters with a huge amount of jobs.
</p>
<p>
This preview release is feature complete. A Beta program is planned to be
started in February 2006.
</p>
The courtesy binaries are available at<br>
<br>
<div style="margin-left: 40px;"><a
 href="http://gridengine.sunsource.net/project/gridengine/download_preview.html">http://gridengine.sunsource.net/project/gridengine/download_preview.html</a><br>
</div>
<br>
The corresponding source code tags in the "gridengine" and "arco" project CVS repositories have the name<br>
<br>
<div style="margin-left: 40px;"><span style="font-weight: bold;">V61preview2_TAG</span><br>
</div>
<br>
A snapshot of the sources is available at the <a
 href="http://gridengine.sunsource.net/servlets/ProjectDownloadList">Documents & files</a> page<br>
<br>
<div style="margin-left: 40px;">
<a href="http://gridengine.sunsource.net/files/documents/7/120/sge-V61preview2_TAG-src.tar.gz">sge-V61preview2_TAG-src.tar.gz</a><br>
<a href="http://gridengine.sunsource.net/files/documents/7/121/arco-V61preview2_TAG-src.tar.gz">arco-V61preview2_TAG-src.tar.gz</a>
</div>
<br>
A list of fixed problems since SGE 6.1preview1 is available at<br>
<br>
<div style="margin-left: 40px;">
<a href="http://gridengine.sunsource.net/project/gridengine/61patches.txt">http://gridengine.sunsource.net/project/gridengine/61patches.txt</a><br>
</div>
<p>
<h3>New functionality delivered with this SGE 6.1preview2 release:</h3>
<ul>
<li>
the complex string attributes (CSTRING, STRING, RESTRING, HOST) has been
enhanced to allow regular boolean expressions for wildcards or patterns. The
new syntax is defined in the sge_types(1) man page and examples can be found
in complex(5).
</li>
<li>
enhanced Resource Quota dynamic limit syntax to allow constant summands. The
new syntax for a dynamic limit is<br>
<p>
<div style="margin-left: 40px;"><pre>
{w1|$complex1[*w1]}[{+|-}{w2|$complex2[*w2]}[{+|-}...]]
</pre></div>
</p>
</li>
<li>
changed Resource Quota expanded list format from backquotes '`expanded_list`'
to the more "shell-like" use of '{expanded_list}'
</li>
<li>
the environment variable LD_LIBRARY_PATH is no longer set for Solaris and Linux
by the Grid Engine settings.[c]sh file. Instead the dynamic library path is determined
at runtime.
</li>
<li>
new switch "-wd" for qsub, qalter, qsh, qrsh and qmon to specify the job working
directory.
</li>
<li>
MySQL support for the Grid Engine Accounting and Reporting Console (ARCo)
</li>
<li>
support for FreeBSD at source code level
</li>
<li>
various qmon usability improvements provided by Hin-Tak Leung
</li>
</ul>
</p>
<p>
<h3>New functionality delivered with the SGE 6.1preview1 release:</h3>
<ul>
<li>
Resource Quotas allow to limit the maximum number of running jobs per
user, user group, projects on arbitrary resources like queues, hosts,
memory, software licenses. A firewall-like rule syntax allows an
unprecedented flexibility in defining Grid Engine Resource Quotas (RQ). 
The man pages qquota(1), sge_resource_quota(5) and qconf(1) describe
the new functionality. The design of the Resource Quotas can be found
here<br>
<br>
<div style="margin-left: 40px;"><a    
href="http://gridengine.sunsource.net/source/browse/*checkout*/gridengine/doc/devel/rfe/ResourceQuotaSpecification.html">http://gridengine.sunsource.net/source/browse/*checkout*/gridengine/doc/devel/rfe/ResourceQuotaSpecification.html
</a></div>
<br>
</li>
<li>
the Grid Engine Accounting and Reporting Console (ARCo) is now part of
the open source project and included with the courtesy binaries.
</li>
<li>
support for Apple Mac OS X on the x86 platform
</li>
<li>
support for Linux on Itanium (IA64)
</li>
<li>
a Solaris 10 DTrace script supports monitoring and helps to do a
bottleneck analysis
</li>
<li>
with the help of our community members job online usage is now
supported for Apple Mac OS X, IBM AIX and HP HP-UX
</li>
<li>
for developers an early access to a Java API (JGDI) is part of the courtesy binary
distribution
</li>
</p>

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